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Full text of "Text Book Of Mechanical Engineering"

Appendix VL

1037

A Vertical-spindle Grinding Machine, illustrated in Fig. 937,
is of slotting machine pattern. Although primarily designed
for hole-grinding, it can be used on either internal or external
work, ano! plain surfacing can also be done within limits. The
main casting A supports the work table B, which is rotated by the

BY J.E.REINECKER

Z    rttr      3

cone puilies F and c through spur gear at D and bevel wheels'at
E, the variable speed from the cones suiting work of different
diameters. Tiie tool head G carries the wheel spindL H H, at the
bottom end of which is mounted the emery wheel K. At the top
end the pulley j is driven from the drum #, whose length allows
for the vertical traverse of a between the guides x x. These
guides are part of the saddle L, whose position, and that^of the